in the adjoining figure AQ=2, QB=4, BP=3, PC=5, CR=6 and RA=4.Find the area of triangle PQR.

In the adjoining figure, If AB=3.6, AC=9.0, AD=5.4, then find AE.

In the adjoining figure ABCD, PQRS and WXYZ are three squares. Find number of triangles and quadrilaterals in the figure :

If in the given figure PR =10cm,PL=6cm and QR=4cm, then find the area of Delta PQR and length of QM.

In the adjoining figure, BD = DC and AE = ED. Prove that area of Delta ACE = (1)/(4) " area of " Delta ABC

If in a triangle ABC,a=6,b=3 and cos(A-B)=(4)/(5) find the area of the triangle.

If the co - ordinate of the triangle P(4,3) Q (7,-1) and R (9,3) is then find the Area of triangle PQR and also find the types of triangle ?

In the adjoining figure , Delta PQR is an equilateral triangle. QR = RN . Prove that PN^(2) =3PR^(2)

In the figure OP=3.5 cm, QB=1.4 cm and angleAOB=120^(@) . Find the area of the shaded portion.